github: Simplify workflow for self-hosted runner

Signed-off-by: Stéphane Graber <[email protected]>

.github/workflows/tests.yml

@@ -22,41 +22,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup tmate session
-        uses: mxschmitt/action-tmate@v3
-        with:
-          detached: true
-
-      - name: Performance tuning
-        run: |
-          set -eux
-          # optimize ext4 FSes for performance, not reliability
-          for fs in $(findmnt --noheading --type ext4 --list --uniq | awk '{print $1}'); do
-            # nombcache and data=writeback cannot be changed on remount
-            sudo mount -o remount,noatime,barrier=0,commit=6000 "${fs}" || true
-          done
-
-          # disable dpkg from calling sync()
-          echo "force-unsafe-io" | sudo tee /etc/dpkg/dpkg.cfg.d/force-unsafe-io
-
-      - name: Reclaim some space
-        run: |
-          set -eux
-
-          sudo apt-get autopurge --yes snapd moby-containerd docker
-          sudo ip link delete docker0
-          sudo nft flush ruleset
-
-          # This was inspired from https://github.com/easimon/maximize-build-space
-          df -h /
-          # dotnet
-          sudo rm -rf /usr/share/dotnet
-          # android
-          sudo rm -rf /usr/local/lib/android
-          # haskell
-          sudo rm -rf /opt/ghc
-          df -h /
-
       - name: Setup Incus
         run: |
           curl https://pkgs.zabbly.com/get/incus-daily | sudo sh